From: Residential proximity to croplands at birth and childhood leukaemia
AL (N = 8 747) | ALL (N = 7 236) | AML (N = 1 335) | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
O | E | SIR | 95% CI | pb | O | E | SIR | 95% CI | pb | O | E | SIR | 95% CI | pb | |
Total crops | |||||||||||||||
Total crop density < 5% | 2758 | 2788.8 | 0.99 | 0.95–1.03 | 0.54 | 2285 | 2308.5 | 0.99 | 0.95–1.03 | 0.67 | 422 | 440.7 | 0.96 | 0.87–1.05 | 0.26 |
[5–18.7] | 1476 | 1485.4 | 0.99 | 0.94–1.05 | 1211 | 1228.4 | 0.99 | 0.93–1.04 | 231 | 224.1 | 1.03 | 0.91–1.17 | |||
[18.7–37.4] | 1507 | 1485.1 | 1.01 | 0.96–1.07 | 1263 | 1228.2 | 1.03 | 0.97–1.09 | 212 | 223.3 | 0.95 | 0.83–1.09 | |||
[37.4–61.0] | 1541 | 1490.7 | 1.03 | 0.98–1.09 | 1259 | 1232.8 | 1.02 | 0.97–1.08 | 252 | 223.3 | 1.13 | 1.00–1.28 | |||
≥ 61 | 1465 | 1497.1 | 0.98 | 0.93–1.03 | 1218 | 1238.1 | 0.98 | 0.93–1.04 | 218 | 223.6 | 0.98 | 0.85–1.11 | |||
Test of departure from log-linearity | 0.38 | 0.51 | 0.18 | ||||||||||||
SIRR for ∆x = 10%c | 1.00 | 0.99–1.01 | 0.47 | 1238.1 | 1.00 | 0.99–1.01 | 0.44 | 223.6 | 1.00 | 0.99–1.01 | 0.31 | ||||
Viticulture | |||||||||||||||
Total crop density < 5% | 2758 | 2788.8 | 0.99 | 0.95–1.03 | 0.84 | 2285 | 2308.5 | 0.99 | 0.95–1.03 | 0.88 | 422 | 440.7 | 0.96 | 0.87–1.05 | 0.62 |
Total crop density ≥ 5% and viticulture < 5% | 5413 | 5391.7 | 1.00 | 0.98–1.03 | 4465 | 4459.2 | 1.00 | 0.97–1.03 | 834 | 809.7 | 1.03 | 0.96–1.10 | |||
[5–10.0] | 143 | 141.2 | 1.01 | 0.86–1.19 | 124 | 116.8 | 1.06 | 0.89–1.27 | 17 | 21.1 | 0.81 | 0.50–1.30 | |||
[10.0–16.2] | 141 | 143.7 | 0.98 | 0.83–1.16 | 116 | 118.8 | 0.98 | 0.81–1.17 | 22 | 21.5 | 1.02 | 0.67–1.56 | |||
[16.2–24.7] | 138 | 142.0 | 0.97 | 0.82–1.15 | 120 | 117.5 | 1.02 | 0.85–1.22 | 17 | 21.2 | 0.80 | 0.50–1.29 | |||
≥ 24.7 | 154 | 139.5 | 1.10 | 0.94–1.29 | 126 | 115.4 | 1.09 | 0.92–1.30 | 23 | 20.8 | 1.10 | 0.73–1.66 | |||
Test of departure from log-linearity | 0.48 | 0.94 | 0.48 | ||||||||||||
SIRR for ∆x = 10%c | 1.01 | 0.98–1.04 | 0.24 | 115.4 | 1.01 | 0.98–1.05 | 0.23 | 20.8 | 1.01 | 0.93–1.09 | 0.45 | ||||
Arboriculture | |||||||||||||||
Total crop density < 5% | 2758 | 2788.8 | 0.99 | 0.95–1.03 | 0.07 | 2285 | 2308.5 | 0.99 | 0.95–1.03 | 0.15 | 422 | 440.7 | 0.96 | 0.87–1.05 | 0.33 |
Total crop density ≥ 5% and arboriculture < 5% | 5809 | 5742.1 | 1.01 | 0.99–1.04 | 4799 | 4748.8 | 1.01 | 0.98–1.04 | 887 | 861.8 | 1.03 | 0.96–1.10 | |||
[5–6.4[ | 54 | 54.1 | 1.00 | 0.76–1.30 | 45 | 44.7 | 1.01 | 0.75–1.35 | 9 | 8.2 | 1.10 | 0.57–2.12 | |||
[6.4–9.34[ | 38 | 53.3 | 0.71 | 0.52–0.98 | 30 | 44.1 | 0.68 | 0.48–0.97 | 7 | 8.1 | 0.87 | 0.41–1.82 | |||
[9.4–13.1[ | 42 | 51.1 | 0.82 | 0.61–1.11 | 39 | 42.2 | 0.92 | 0.67–1.26 | 3 | 7.6 | 0.39 | 0.13–1.22 | |||
≥ 13.1 | 46 | 57.6 | 0.80 | 0.60–1.07 | 38 | 47.6 | 0.80 | 0.58–1.10 | 7 | 8.6 | 0.81 | 0.39–1.70 | |||
Test of departure from log-linearity | 0.36 | 0.38 | 0.35 | ||||||||||||
SIRR for ∆x = 10%c | 0.87 | 0.79–0.97 | 0.99 | 47.6 | 0.89 | 0.79–0.99 | 0.98 | 8.6 | 0.78 | 0.58–1.06 | 0.94 |